🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.6 AU - 0.96 AU

Year: 254 Days

Day: 36.5 Hours

Environment

Temp: 123 °C

Axial Tilt: 1.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.16 AU - 1.26 AU

Year: 491 Days

Day: 27 Hours

Environment

Temp: -13 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.8 AU - 3.94 AU

Year: 2283 Days

Day: 40.4 Hours

Environment

Temp: -109 °C

Axial Tilt: 43.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.9

Radius: 9.3

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.61 AU - 7.63 AU

Year: 5586 Days

Day: 7.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,386,986 km

• M1: 115,639 km (0.118 R)
• M2: 427,700 km (0.085 R)
• M3: 734,675 km (0.077 R)
• M4: 1,054,216 km (0.063 R)
• M5: 2,579,815 km (0.092 R)
• M6: 3,458,254 km (0.107 R)
• M7: 3,784,826 km (0.072 R)
• M8: 4,644,116 km (0.085 R)
• M9: 6,198,887 km (0.063 R)
• M10: 7,760,838 km (0.084 R)
• M11: 10,425,027 km (0.112 R)
• M12: 12,617,832 km (0.074 R)
• M13: 13,545,339 km (0.092 R)
• M14: 14,834,125 km (0.115 R)
• M15: 15,700,895 km (0.092 R)
• M16: 18,938,342 km (0.06 R)
• M17: 19,828,450 km (0.07 R)
• M18: 23,669,375 km (0.074 R)
• M19: 25,687,301 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.3

Radius: 9.9

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.96 AU - 8.26 AU

Year: 7746 Days

Day: 10.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 52.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,386,986 km

• M1: 123,568 km (0.097 R)
• M2: 557,102 km (0.086 R)
• M3: 1,182,721 km (0.099 R)
• M4: 2,196,695 km (0.03 R)
• M5: 4,072,652 km (0.063 R)
• M6: 5,213,037 km (0.083 R)
• M7: 7,379,663 km (0.1 R)
• M8: 15,946,086 km (0.04 R)
• M9: 20,986,487 km (0.066 R)
• M10: 22,851,524 km (0.115 R)
• M11: 24,071,644 km (0.08 R)
• M12: 25,852,307 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.7

Radius: 14.7

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 11.12 AU - 13.06 AU

Year: 15510 Days

Day: 13.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,386,986 km

• M1: 183,257 km (0.115 R)
• M2: 797,805 km (0.099 R)
• M3: 1,366,726 km (0.095 R)
• M4: 2,670,172 km (0.079 R)
• M5: 4,928,053 km (0.059 R)
• M6: 5,538,412 km (0.098 R)
• M7: 6,654,263 km (0.053 R)
• M8: 8,059,286 km (0.065 R)
• M9: 8,857,989 km (0.049 R)
• M10: 10,848,688 km (0.076 R)
• M11: 11,574,238 km (0.118 R)
• M12: 12,855,394 km (0.114 R)
• M13: 13,530,529 km (0.115 R)
• M14: 14,732,548 km (0.051 R)
• M15: 15,472,309 km (0.053 R)
• M16: 17,430,246 km (0.103 R)
• M17: 19,902,800 km (0.116 R)
• M18: 24,701,451 km (0.048 R)
• M19: 25,324,825 km (0.084 R)
• M20: 30,103,729 km (0.053 R)
• M21: 30,695,837 km (0.104 R)
• M22: 38,282,245 km (0.1 R)
• M23: 43,930,612 km (0.118 R)
• M24: 44,539,624 km (0.093 R)
• M25: 47,032,075 km (0.099 R)
• M26: 64,753,139 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.2

Radius: 4.4

Gravity: 46.96 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 10.69 AU - 16.43 AU

Year: 18423 Days

Day: 16.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,386,986 km

• M1: 54,753 km (0.065 R)
• M2: 290,968 km (0.038 R)
• M3: 508,483 km (0.118 R)
• M4: 777,011 km (0.106 R)
• M5: 1,175,839 km (0.077 R)
• M6: 1,461,272 km (0.058 R)
• M7: 2,004,163 km (0.106 R)
• M8: 2,148,225 km (0.096 R)
• M9: 3,564,169 km (0.112 R)
• M10: 4,640,077 km (0.1 R)
• M11: 5,042,196 km (0.112 R)
• M12: 6,521,719 km (0.118 R)
• M13: 9,591,767 km (0.113 R)
• M14: 11,436,907 km (0.096 R)
• M15: 12,101,121 km (0.103 R)
• M16: 12,373,838 km (0.071 R)
• M17: 16,219,850 km (0.048 R)
• M18: 18,546,396 km (0.114 R)
• M19: 19,648,184 km (0.052 R)
• M20: 22,592,570 km (0.098 R)
• M21: 22,902,237 km (0.106 R)
• M22: 23,848,294 km (0.096 R)
• M23: 25,149,646 km (0.106 R)
• M24: 25,705,701 km (0.055 R)
• M25: 26,043,194 km (0.086 R)
• M26: 26,957,686 km (0.097 R)
• M27: 29,093,196 km (0.05 R)
• M28: 32,372,830 km (0.106 R)
• M29: 36,171,269 km (0.109 R)
• M30: 64,099,247 km (0.074 R)
• M31: 66,182,846 km (0.049 R)
• M32: 68,526,596 km (0.111 R)
• M33: 70,925,098 km (0.1 R)
• M34: 72,033,619 km (0.06 R)
• M35: 75,888,905 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.7

Radius: 6.7

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 16.53 AU - 19.45 AU

Year: 28153 Days

Day: 18.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,386,986 km

• M1: 83,326 km (0.093 R)
• M2: 328,068 km (0.116 R)
• M3: 1,025,643 km (0.065 R)
• M4: 1,290,282 km (0.117 R)
• M5: 2,020,469 km (0.086 R)
• M6: 4,055,598 km (0.066 R)
• M7: 6,976,198 km (0.113 R)
• M8: 16,166,443 km (0.07 R)
• M9: 19,705,331 km (0.065 R)
• M10: 21,602,980 km (0.109 R)
• M11: 36,914,621 km (0.084 R)
• M12: 42,476,969 km (0.095 R)
• M13: 57,573,040 km (0.088 R)
• M14: 57,970,372 km (0.085 R)
• M15: 60,803,606 km (0.106 R)
• M16: 74,699,154 km (0.054 R)
• M17: 74,935,369 km (0.093 R)
• M18: 83,771,367 km (0.101 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 13,824 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit